172272373260 has 192 divisors, whose sum is σ = 528483336192. Its totient is φ = 41675848704.

The previous prime is 172272373249. The next prime is 172272373267. The reversal of 172272373260 is 62373272271.

It is not an unprimeable number, because it can be changed into a prime (172272373267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10591294 + ... + 10607546.

It is an arithmetic number, because the mean of its divisors is an integer number (2752517376).

Almost surely, 2^172272373260 is an apocalyptic number.

172272373260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172272373260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264241668096).

172272373260 is an abundant number, since it is smaller than the sum of its proper divisors (356210962932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172272373260 is a wasteful number, since it uses less digits than its factorization.

172272373260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16512 (or 16510 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 42.

The spelling of 172272373260 in words is "one hundred seventy-two billion, two hundred seventy-two million, three hundred seventy-three thousand, two hundred sixty".